TPS76933QDBVRG4Q1

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The TPS76933QDBVRG4Q1 is a linear voltage regulator that is part of Texas Instrument\'s 5-Pin SOT23 family. It is primarily used in embedded systems, including mobile phones, portable media players, and other battery-powered devices that require power management and efficient power delivery. The TPS76933QDBVRG4Q1 provides a regulated output voltage of 3.3V, with a maximum output current of 150mA, and is designed to provide an excellent cost to performance ratio. Additionally, the regulator is designed to be operational over a wide range of input voltages, from 2.5V to 5.5V. What makes it particularly attractive are its overcurrent, overtemperature, and overvoltage protection features, as well as its low quiescent current and is small form factor.

The operation of the TPS76933QDBVRG4Q1 is based on the buck-boost converter architecture. This circuit architecture employs a regulator that is capable of both boosting and bucking the output voltage, depending on the input voltage. The voltage regulation loop is used to adjust the switching frequency and output voltage, and provides fast line and load transient response. Additionally, the voltage regulation loop is optimized for reduced output voltage ripple, noise, and current consumption. The overcurrent protection and thermal shutdown are provided by a current sensing circuit, with a current limit set at 150mA.

The TPS76933QDBVRG4Q1 is primarily used to provide regulated power to low-power, battery-powered systems. This makes it suitable for use in a variety of embedded applications, including portable electronics and consumer devices such as smartphones and tablets. Furthermore, due to its wide input voltage range, it can be used with both Li-Ion and Li-Polymer batteries. Additionally, its small form factor allows it to be used in space-constrained applications, such as those found in wearable consumer devices.

Overall, the TPS76933QDBVRG4Q1 is a versatile, cost-effective voltage regulator that is suitable for a wide range of embedded applications. Its buck-boost architecture makes it an ideal choice for Li-Ion and Li-Polymer battery-powered systems, as it is capable of both boosting and bucking the output voltage. Additionally, its strong overcurrent, overtemperature, and overvoltage protection features make it a reliable and safe choice for applications where the regulator is required to provide clean, regulated power.

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